Rear wheels
Zipp 303 Firecrest 650b Tubeless Disc-brake
ISO 584 (650b) · Rear · SRAM/Shimano Road
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Jul 28, 2026
- Compatibility review
- Reviewed Jul 28, 2026
Approved technical sources
- WH-303-F650-A1 exact wheel package and specificationsManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
Technical data
Specifications
- Wheel diameter
- ISO 584 (650b / 27.5″)
- Axle
- 12x142
- Hub spacing
- 142 mm
- Axle retention
- Thru Axle
- Freehub driver
- Shimano HG L
- Wheel brake interface
- Disc
- Maximum pressure
- 8.6 bar
- Rim / tire interface
- Hooked Clincher
- Rotor mount
- Center Lock
- Rim internal width
- 21 mm